Civil air defense door capable of being spliced

Abstract

The utility model relates to the technical field of civil air defense doors, in particular to a splicable civil air defense door which comprises a fixing support, fixing panels are fixedly connected to the front side and the rear side of the fixing support, and splicing mechanisms are arranged on the left side and the right side of the fixing support. The splicing mechanism comprises a first connecting column, an inserting hole, a first positioning hole, a first inserting rod, a second inserting rod, a second connecting column, an inserting block, a second positioning hole, a third positioning hole and a third inserting rod; when the two door leaves are pushed inwards at the same time, inserting plates can be inserted into inserting grooves, second inserting rods can be inserted into third positioning holes and first inserting pipes, third inserting rods can be inserted into first positioning holes and second inserting pipes, and inserting blocks can be inserted into inserting holes at the same time; and then the first inserting rods are put down to be inserted into the second positioning holes, the two door leaves can be locked and fixed, the splicing efficiency is improved, and meanwhile the integrality of the door leaves is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a splicable civil air defense door. Background Art

[0002] Civil defense doors are doors at the entrance and exit of civil defense protection projects. There are many types of civil defense doors, including ordinary single-leaf and double-leaf protective closed doors and closed doors, movable thresholds, double-leaf protective closed doors and closed doors, etc. Civil defense doors are usually formed in one piece. Due to the volume of the door panels, it will cause inconvenience in transportation and handling, reducing the construction efficiency of civil defense doors.

[0003] Among them, the announcement number CN213269602U discloses a splicable civil air defense door, which includes a spliced ​​door panel unit arranged in a door frame, one end of a hinge unit can be installed on the door frame, and the other end is hinged to the side wall of the spliced ​​door panel unit, the locking telescopic end of the locking unit is arranged on the side wall of the spliced ​​door panel unit, and the inner wall of the door frame is provided with a locking hole corresponding to the locking telescopic end; the spliced ​​door panel unit includes a first door leaf assembly, a second door leaf assembly, and a first clamping assembly; the first door leaf assembly and the second door leaf assembly are symmetrically arranged along the first clamping assembly, and the first door leaf assembly and the second door leaf assembly are connected by the first clamping assembly. The utility model splices door panels in the form of clamping, which is labor-saving to install and has good practicality.

[0004] The civil air defense door connects two sets of door leaf assemblies by inserting the snap-connecting components into the two sets of trapezoidal slots, and limits the position of the door leaf by multiple sets of limit blocks and springs. However, in the actual installation process, it is necessary to place multiple sets of door leaves according to the positions, and then insert the multiple sets of snap-connecting components into the corresponding slots in turn. The splicing process is relatively cumbersome, the splicing efficiency is low, and the components are too scattered. If one is lost, the assembly cannot be completed.

[0005] Therefore, it is necessary to invent a splicable civil defense door to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a splicable civil air defense door, so as to solve the problems in the technology that the splicing process is relatively cumbersome, the splicing efficiency is low, and the components are too scattered, and the assembly cannot be completed when one is lost.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a splicable civil defense door, comprising a fixed bracket, the front and rear sides of the fixed bracket are fixedly connected with fixed panels, the left and right sides of the fixed bracket are provided with a splicing mechanism, the splicing mechanism comprises a first connecting column, a plug-in hole, a first positioning hole, a first plug-in rod, a second plug-in rod, a second connecting column, a plug-in block, a second positioning hole, a third positioning hole and a third plug-in rod, the first connecting column is fixedly connected to the right side of the fixed bracket, the second connecting column is fixedly connected to the left side of the fixed bracket, the lower surface of the four groups of cross bars inside the fixed bracket is fixedly connected with a first plug-in tube near the left end position, and the upper surface of the four groups of cross bars inside the fixed bracket is fixedly connected with a second plug-in tube near the right end position.

[0008] By adopting the above technical scheme, the fixed bracket, the fixed panel, the first connecting column and the second connecting column form a door leaf, the plug-in board is inserted into the inside of the plug-in slot, the second plug-in rod is inserted into the inside of the third positioning hole and the inside of the first plug-in tube, the third plug-in rod is inserted into the inside of the first positioning hole, and the plug-in block is inserted into the inside of the plug-in hole, so as to fix the left and right groups of door leaves, and multiple groups of plug-in rods and plug-in blocks cooperate to improve the bending and impact resistance of the two groups of door leaves. At the same time, multiple groups of first plug-in rods are inserted into the second positioning hole to prevent the door leaves from sliding left and right.

[0009] Optionally, four groups of the plug-in holes and the first positioning holes are provided, and the four groups of the plug-in holes and the four groups of the first positioning holes are opened on the surface of the first connecting column, a plug-in groove is opened on the right side surface of the first connecting column, and four groups of the second plug-in rods are provided, and the four groups of the second plug-in rods are fixedly connected to the side walls of the plug-in groove.

[0010] Optionally, a plug-in board is fixedly connected to the left side surface of the second connecting column, and the plug-in board is plugged into the inside of the plug-in slot. The plug-in block and the third plug-in rod are each provided with four groups, and the four groups of the plug-in blocks and the four groups of the third plug-in rods are fixedly connected to the left side surface of the plug-in board, and the plug-in block is plugged into the inside of the plug-in hole.

[0011] By adopting the above technical solution, the four groups of plug-in blocks are respectively inserted into the corresponding plug-in holes.

[0012] Optionally, four groups of the second positioning holes are provided, and the four groups of the second positioning holes are respectively opened on the surfaces of the four groups of the plug-in blocks, and the first plug-in rods are plugged into the inside of the second positioning holes.

[0013] By adopting the above technical solution, the four groups of first plug-in rods are respectively inserted into the inside of the four groups of second positioning holes to lock the two groups of door leaves.

[0014] Optionally, four groups of the third positioning holes are provided, and the four groups of the third positioning holes are opened inside the second connecting column and the plug-in board, and the four groups of the second plug-in rods are respectively plugged into the four groups of the third positioning holes and the four groups of the first plug-in tubes, and the four groups of the third plug-in rods are respectively plugged into the four groups of the first positioning holes and the four groups of the second plug-in tubes.

[0015] By adopting the above technical solution, the four groups of second plug-in rods are inserted into the four groups of third positioning holes and penetrate into the interior of the right door leaf. The four groups of third plug-in rods are inserted into the four groups of first positioning holes and penetrate into the interior of the left door leaf. The two groups of door leaves are deeply engaged with each other, thereby improving the structural strength and impact resistance of the connection between the two groups of door leaves.

[0016] Optionally, four groups of positioning plates are fixedly connected to the left surface of the first connecting column, and positioning rods are slidably connected to the front and rear ends of the positioning plates. Four groups of fixing rods are fixedly connected between two groups of the positioning rods, and the four groups of the first plug-in rods are respectively fixedly connected to the four groups of fixing rods.

[0017] By adopting the above technical solution, the positioning rod slides up and down inside the positioning plate, and the four groups of first plug-in rods are driven to slide up and down synchronously through the four groups of fixing rods.

[0018] Optionally, a limiting groove is provided at a middle position of the right end of the front fixed panel, a connecting rod is fixedly connected to the middle position of the front positioning rod, and the connecting rod is slidably connected to the limiting groove.

[0019] By adopting the above technical solution, the connecting rod slides up and down inside the limiting groove, thereby driving the positioning rod to slide up and down.

[0020] Optionally, the surface of the front fixed panel and the front surface of the first connecting column are fixedly connected with positioning blocks, and the positioning blocks are located on the left and right sides of the connecting rod. Through holes are opened inside the connecting rod and the positioning blocks, and a locking rod is slidably connected inside the through hole.

[0021] By adopting the above technical solution, the locking rod is inserted into the through holes inside the positioning block and the connecting rod, so as to fix the position of the connecting rod and further fix the position of the positioning rod.

[0022] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0023] 1. The utility model places two groups of door leaves side by side and then pushes the two groups of door leaves inward at the same time, thereby simultaneously inserting the plug-in plate into the inside of the plug-in slot, the second plug-in rod into the inside of the third positioning hole and the inside of the first plug-in tube, the third plug-in rod into the inside of the first positioning hole, and the plug-in block into the inside of the plug-in hole, and then lowers the first plug-in rod to be inserted into the inside of the second positioning hole, so that the two groups of door leaves can be locked and fixed, the splicing efficiency is improved, and the integrity of the door leaves is improved, and the problem of complicated splicing process, low splicing efficiency, and too scattered components that cannot be assembled when lost is solved.

[0024] 2. The utility model uses the second plug-in rod to penetrate into the interior of the right door leaf, and the third plug-in rod to penetrate into the interior of the left door leaf. The plug-in blocks are respectively inserted into the corresponding plug-in holes, and the plug-in plates are inserted into the plug-in grooves, so that the two groups of door leaves are plugged into each other and deeply engaged, thereby improving the structural strength and impact resistance of the connection between the two groups of door leaves, facilitating the splicing of civil air defense doors while improving the strength of civil air defense doors. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the fixed bracket structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the splicing mechanism structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the first connecting column structure of the utility model;

[0030] Figure 6 It is a schematic diagram of the plug hole structure of the utility model.

[0031] Description of reference numerals:

[0032] 1. Fixed bracket; 11. Fixed panel; 12. First plug-in tube; 13. Second plug-in tube; 14. Limiting groove; 2. First connecting column; 21. Plug-in groove; 22. Plug-in hole; 23. First positioning hole; 24. Positioning plate; 25. Positioning rod; 26. Fixed rod; 27. First plug-in rod; 28. Connecting rod; 29. ​​Positioning block; 210. Locking rod; 211. Second plug-in rod; 3. Second connecting column; 31. Plug-in plate; 32. Plug-in block; 33. Second positioning hole; 34. Third positioning hole; 35. Third plug-in rod. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] The utility model provides Figures 1 to 3 The shown type of splicable civil defense door includes a fixed bracket 1, and the front and rear sides of the fixed bracket 1 are fixedly connected with fixed panels 11, and the left and right sides of the fixed bracket 1 are provided with splicing mechanisms, and the splicing mechanism includes a first connecting column 2, a plug-in hole 22, a first positioning hole 23, a first plug-in rod 27, a second plug-in rod 211, a second connecting column 3, a plug-in block 32, a second positioning hole 33, a third positioning hole 34 and a third plug-in rod 35. The first connecting column 2 is fixedly connected to the right side of the fixed bracket 1, and the second connecting column 3 is fixedly connected to the left side of the fixed bracket 1. The lower surface of the four groups of cross bars inside the fixed bracket 1 is fixedly connected with a first plug-in tube 12 near the left end, and the upper surface of the four groups of cross bars inside the fixed bracket 1 is fixedly connected with a second plug-in tube 13 near the right end.

[0035] Among them, the fixed bracket 1, the fixed panel 11, the first connecting column 2 and the second connecting column 3 form a door leaf. The two groups of door leaves are brought together inward, the plug-in plate 31 is inserted into the inside of the plug-in slot 21, the second plug-in rod 211 is inserted into the third positioning hole 34 and the inside of the first plug-in tube 12, the third plug-in rod 35 is inserted into the inside of the first positioning hole 23 and the second plug-in tube 13, and the plug-in block 32 is inserted into the inside of the plug-in hole 22. At the same time, multiple groups of first plug-in rods 27 are inserted into the inside of the second positioning hole 33, and the first connecting column 2 and the second connecting column 3 are locked, thereby locking the two groups of door leaves to prevent the door leaves from sliding left and right. Multiple groups of plug-in rods and plug-in blocks 32 cooperate to improve the bending and impact resistance of the two groups of door leaves.

[0036] See also Figure 1 and Figure 5 Four groups of positioning plates 24 are fixedly connected to the left surface of the first connecting column 2, and positioning rods 25 are slidably connected to the front and rear ends of the positioning plate 24. Four groups of fixing rods 26 are fixedly connected between the two groups of positioning rods 25. Four groups of first plug-in rods 27 are fixedly connected to the four groups of fixing rods 26 respectively. A limiting groove 14 is provided in the middle position of the right end of the front fixed panel 11, and a connecting rod 28 is fixedly connected to the middle position of the front positioning rod 25. The connecting rod 28 is slidably connected to the limiting groove 14. The surface of the front fixed panel 11 and the front surface of the first connecting column 2 are fixedly connected with positioning blocks 29. The positioning blocks 29 are located on the left and right sides of the connecting rod 28. Through holes are provided inside the connecting rod 28 and the positioning blocks 29, and a locking rod 210 is slidably connected inside the through hole.

[0037] Specifically, during the installation process, the connecting rod 28 is first slid upward inside the limit groove 14, thereby driving the positioning rod 25 to slide upward inside the positioning plate 24. The two groups of positioning rods 25 drive the four groups of fixing rods 26 to slide upward, thereby driving the four groups of first plug-in rods 27 to slide upward, opening the position of the plug-in hole 22 to facilitate the splicing of the two groups of door leaves.

[0038] See also Figures 4 to 6 , the plug-in holes 22 and the first positioning holes 23 are each provided with four groups, and the four groups of plug-in holes 22 and the four groups of first positioning holes 23 are all opened on the surface of the first connecting column 2, and the right side surface of the first connecting column 2 is provided with a plug-in slot 21, and the second plug-in rod 211 is provided with four groups, and the four groups of second plug-in rods 211 are fixedly connected to the side wall of the plug-in slot 21, and the left side surface of the second connecting column 3 is fixedly connected with a plug-in board 31, and the plug-in board 31 is plugged into the inside of the plug-in slot 21, and the plug-in block 32 and the third plug-in rod 35 are each provided with four groups, and the four groups of plug-in blocks 32 and the four groups of third plug-in rods 35 are connected to the left side surface of the plug-in board 31. The surface is fixedly connected, the plug-in block 32 is plugged into the inside of the plug-in hole 22, the second positioning holes 33 are provided in four groups, and the four groups of second positioning holes 33 are respectively opened on the surfaces of the four groups of plug-in blocks 32, the first plug-in rod 27 is plugged into the inside of the second positioning holes 33, the third positioning holes 34 are provided in four groups, and the four groups of third positioning holes 34 are opened in the second connecting column 3 and the plug-in board 31, the four groups of second plug-in rods 211 are respectively plugged into the inside of the four groups of third positioning holes 34 and the four groups of first plug-in tubes 12, and the four groups of third plug-in rods 35 are respectively plugged into the inside of the four groups of first positioning holes 23 and the four groups of second plug-in tubes 13.

[0039] At the same time, after lifting the first plug rod 27, the two groups of door leaves are pushed inward, the plug plate 31 is inserted into the plug slot 21, and the plug block 32 is inserted into the plug hole 22, so that the second plug rod 211 is inserted into the third positioning hole 34 and the first plug tube 12, and the third plug rod 35 is inserted into the first positioning hole 23 and the second plug tube 13, so that the two groups of door leaves are deeply engaged with each other and fixed, and then the connecting rod 28 is loosened. At this time, the two groups of positioning rods 25 will slide downward, driving the four groups of first plug rods 27 to insert into the second positioning hole 33, locking the position of the plug block 32 and the plug hole 22, and then locking the first connecting column 2 and the second connecting column 3, and locking and fixing the two groups of door leaves. Next, the locking rod 210 is inserted into the through hole inside the connecting rod 28 and the positioning block 29 to lock and fix the position of the connecting rod 28.

[0040] Working principle of the utility model: in order to improve the integrity of the door leaf and increase the splicing efficiency of the door leaf, by pushing the two groups of door leaves inward at the same time, the plug-in plate 31 will be inserted into the inside of the plug-in slot 21, the second plug-in rod 211 will be inserted into the inside of the third positioning hole 34 and the first plug-in tube 12, the third plug-in rod 35 will be inserted into the inside of the first positioning hole 23 and the second plug-in tube 13, and the plug-in block 32 will be inserted into the inside of the plug-in hole 22, and then the first plug-in rod 27 will be lowered and inserted into the inside of the second positioning hole 33, so that the two groups of door leaves can be locked and fixed, thereby improving the splicing efficiency and improving the integrity of the door leaf.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A splicable civil air defense door, comprising a fixing bracket (1), characterized in that: The front and rear sides of the fixed bracket (1) are fixedly connected to the fixed panel (11), and the left and right sides of the fixed bracket (1) are provided with a splicing mechanism, which comprises a first connecting column (2), a plug hole (22), a first positioning hole (23), a first plug rod (27), a second plug rod (211), a second connecting column (3), a plug block (32), a second positioning hole (33), a third positioning hole (34) and a third plug rod (35). The first connecting column (2) is fixedly connected to the right side of the fixed bracket (1), and the second connecting column (3) is fixedly connected to the left side of the fixed bracket (1). The lower surface of the four groups of cross bars inside the fixed bracket (1) is fixedly connected to the first plug tube (12) near the left end, and the upper surface of the four groups of cross bars inside the fixed bracket (1) is fixedly connected to the second plug tube (13) near the right end.

2. The connectable civil air defense door according to claim 1, characterized in that: The plug holes (22) and the first positioning holes (23) are each provided in four groups, and the four groups of the plug holes (22) and the four groups of the first positioning holes (23) are each opened on the surface of the first connecting column (2), a plug groove (21) is opened on the right side surface of the first connecting column (2), and the second plug rods (211) are provided in four groups, and the four groups of the second plug rods (211) are fixedly connected to the side wall of the plug groove (21).

3. The connectable civil air defense door according to claim 2, characterized in that: A plug-in board (31) is fixedly connected to the left side surface of the second connecting column (3), and the plug-in board (31) is plugged into the inside of the plug-in slot (21). Four groups of the plug-in blocks (32) and the third plug-in rods (35) are provided, and the four groups of the plug-in blocks (32) and the four groups of the third plug-in rods (35) are fixedly connected to the left side surface of the plug-in board (31), and the plug-in blocks (32) are plugged into the inside of the plug-in holes (22).

4. The connectable civil air defense door according to claim 3 is characterized in that: Four groups of the second positioning holes (33) are provided, and the four groups of the second positioning holes (33) are respectively opened on the surfaces of the four groups of the plug-in blocks (32), and the first plug-in rods (27) are plugged into the inside of the second positioning holes (33).

5. The connectable civil air defense door according to claim 4, characterized in that: Four groups of the third positioning holes (34) are provided. The four groups of the third positioning holes (34) are opened inside the second connecting column (3) and the plug-in board (31). The four groups of the second plug-in rods (211) are respectively plugged into the four groups of the third positioning holes (34) and the four groups of the first plug-in tubes (12). The four groups of the third plug-in rods (35) are respectively plugged into the four groups of the first positioning holes (23) and the four groups of the second plug-in tubes (13).

6. The connectable civil air defense door according to claim 1, characterized in that: Four groups of positioning plates (24) are fixedly connected to the left surface of the first connecting column (2), and positioning rods (25) are slidably connected to the front and rear ends of the positioning plates (24). Four groups of fixing rods (26) are fixedly connected between two groups of the positioning rods (25), and the four groups of the first plug-in rods (27) are fixedly connected to the four groups of fixing rods (26) respectively.

7. The connectable civil air defense door according to claim 6, characterized in that: A limiting groove (14) is provided at the middle position of the right end of the front fixed panel (11), and a connecting rod (28) is fixedly connected to the middle position of the front positioning rod (25), and the connecting rod (28) is slidably connected to the limiting groove (14).

8. The connectable civil air defense door according to claim 7, characterized in that: A surface of the front fixed panel (11) and a front surface of the first connecting column (2) are both fixedly connected with positioning blocks (29), the positioning blocks (29) are located on the left and right sides of the connecting rod (28), and through holes are provided inside the connecting rod (28) and the positioning blocks (29), and a locking rod (210) is slidably connected inside the through hole.

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